colorless crystal as buffer substance for pH determination，toning-bath additive for Photography，as nitrogen reservoir in fermentation industry。determination of iron and lead in analyses,as 1evrering agent in wool dyeing

colorless crystal as buffer substance for pH determination，toning-bath additive for Photography，as nitrogen reservoir in fermentation industry。determination of iron and lead in analyses,as 1evrering agent in wool dyeing

colorless crystal as buffer substance for pH determination，toning-bath additive for Photography，as nitrogen reservoir in fermentation industry。determination of iron and lead in analyses,as 1evrering agent in wool dyeing

colorless crystal as buffer substance for pH determination，toning-bath additive for Photography，as nitrogen reservoir in fermentation industry。determination of iron and lead in analyses,as 1evrering agent in wool dyeing

grayish powderas reagent for the absorPtion of carbon monoxide in gas analysis，for detection of arsenic and antimony analyses,olefin oxidation and for acrylonitrile synthesisire in organic chemistry[protect against light]

brownish一yellow,hygroscopic crystal as starting substance for other iron compounds,for detection of hexacyanoferrate(ll) in analysis as oxidizing agent in the dye industry，for corrosion of metal in the metal industry

brownish一yellow,hygroscopic crystal as starting substance for other iron compounds,for detection of hexacyanoferrate(ll) in analysis as oxidizing agent in the dye industry，for corrosion of metal in the metal industry

brownish一yellow,hygroscopic crystal as starting substance for other iron compounds,for detection of hexacyanoferrate(ll) in analysis as oxidizing agent in the dye industry，for corrosion of metal in the metal industry

white，crstalline powder important reagent in analytical chemistry for bromide determination,as startinq substance for other mercury compounds depolarlzer In dry batteries，as catalyst for organic chemistry，enhancer for photographv.[pratect against light]

white，crstalline powder important reagent in analytical chemistry for bromide determination,as startinq substance for other mercury compounds depolarlzer In dry batteries，as catalyst for organic chemistry，enhancer for photographv.[pratect against light]

white，crstalline powder important reagent in analytical chemistry for bromide determination,as startinq substance for other mercury compounds depolarlzer In dry batteries，as catalyst for organic chemistry，enhancer for photographv.[pratect against light]

white crstals most important sodium compound as starting material for further sodium compounds for the regeneration of ion exchangers.prepartion of cooling baths.sodium and chlorine source，for salting-out soaps in the photographic industry IR sectroscopyv

white crstals most important sodium compound as starting material for further sodium compounds for the regeneration of ion exchangers.prepartion of cooling baths.sodium and chlorine source，for salting-out soaps in the photographic industry IR sectroscopyv

white crstals most important sodium compound as starting material for further sodium compounds for the regeneration of ion exchangers.prepartion of cooling baths.sodium and chlorine source，for salting-out soaps in the photographic industry IR sectroscopyv

white crstals most important sodium compound as starting material for further sodium compounds for the regeneration of ion exchangers.prepartion of cooling baths.sodium and chlorine source，for salting-out soaps in the photographic industry IR sectroscopyv

white crstals most important sodium compound as starting material for further sodium compounds for the regeneration of ion exchangers.prepartion of cooling baths.sodium and chlorine source，for salting-out soaps in the photographic industry IR sectroscopyv

white ,crystalline poeder as marker in complexometry for iron，titanium，zirconium，hafnium in analysis,for enamel,glazes,and cement additive,for etching glass,brazing of metals in the metal industry,for wood preservatives for the removal of rust and ink sta

white ,crystalline poeder as marker in complexometry for iron，titanium，zirconium，hafnium in analysis,for enamel,glazes,and cement additive,for etching glass,brazing of metals in the metal industry,for wood preservatives for the removal of rust and ink sta

white powder for detection of bismuth and silicate in analyses，lmpregnation of structural timber industry as opacifier in glass,，enamel and ceramic industry，for the fluoridation of drinking water treatment

white powder for detection of bismuth and silicate in analyses，lmpregnation of structural timber industry as opacifier in glass,，enamel and ceramic industry，for the fluoridation of drinking water treatment

colorless,crystalline powder for preparation of photographic emulsions,detection and determination of oxygen,chlorine and bromine,starch iodide paper,IR spectroscopy detection of lead,determination of peroxide value[protect against light]

colorless,crystalline powder for preparation of photographic emulsions,detection and determination of oxygen,chlorine and bromine,starch iodide paper,IR spectroscopy detection of lead,determination of peroxide value[protect against light]

colorless,crystalline powder for preparation of photographic emulsions,detection and determination of oxygen,chlorine and bromine,starch iodide paper,IR spectroscopy detection of lead,determination of peroxide value[protect against light]

colorless,crystalline powder for preparation of photographic emulsions,detection and determination of oxygen,chlorine and bromine,starch iodide paper,IR spectroscopy detection of lead,determination of peroxide value[protect against light]

colorless,crystalline powder for preparation of photographic emulsions,detection and determination of oxygen,chlorine and bromine,starch iodide paper,IR spectroscopy detection of lead,determination of peroxide value[protect against light]

white crstals reagent for the detection of iron(ll) ions and for the separation of hafnium from zirconium，foy the volumetric determination of Cu，Ag,Hg and Cl,spray reagent for thin-layer chromatography[protect against light]